Home / 3,819,191.10-5,270,378.58-2,100,311.61

Finding the Fourth Proportional to 3,819,191.10, 5,270,378.58 and 2,100,311.61

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Solution

The fourth proportional to 3,819,191.10, 5,270,378.58 and 2,100,311.61 is: 2,898,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,191.10 : 5,270,378.58 = 2,100,311.61 : x
  2. Step 2: Convert to fraction form
    3,819,191.10/5,270,378.58 = 2,100,311.61/x
  3. Step 3: Cross multiply
    3,819,191.10x = 5,270,378.58 × 2,100,311.61
  4. Step 4: Simplify right side
    3,819,191.10x = 11,069,437,320,669.31
  5. Step 5: Solve for x
    x = 11,069,437,320,669.31/3,819,191.10
  6. Step 6: Final answer
    x = 2,898,372.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.